From: Kaixu Xia <kaixuxia@tencent.com>
Date: Wed, 20 Apr 2022 22:47:54 +0000 (+1000)
Subject: xfs: simplify local variable assignment in file write code
X-Git-Tag: v6.6.17~7370^2~66^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2d9ac4319b9959bf3195fedf88bdfd224c67593b;p=platform%2Fkernel%2Flinux-rpi.git

xfs: simplify local variable assignment in file write code

Get the struct inode pointer from iocb->ki_filp->f_mapping->host
directly and the other variables are unnecessary, so simplify the
local variables assignment.

Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Dave Chinner <david@fromorbit.com>
---

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index c5541d0..442bfae 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -694,9 +694,7 @@ xfs_file_buffered_write(
 	struct kiocb		*iocb,
 	struct iov_iter		*from)
 {
-	struct file		*file = iocb->ki_filp;
-	struct address_space	*mapping = file->f_mapping;
-	struct inode		*inode = mapping->host;
+	struct inode		*inode = iocb->ki_filp->f_mapping->host;
 	struct xfs_inode	*ip = XFS_I(inode);
 	ssize_t			ret;
 	bool			cleared_space = false;
@@ -767,9 +765,7 @@ xfs_file_write_iter(
 	struct kiocb		*iocb,
 	struct iov_iter		*from)
 {
-	struct file		*file = iocb->ki_filp;
-	struct address_space	*mapping = file->f_mapping;
-	struct inode		*inode = mapping->host;
+	struct inode		*inode = iocb->ki_filp->f_mapping->host;
 	struct xfs_inode	*ip = XFS_I(inode);
 	ssize_t			ret;
 	size_t			ocount = iov_iter_count(from);